code: def load_uv_coords(path="BFM_UV.mat"):
      """load uv coords of BFM
      Args:
          path: path to data.
      Returns:
          uv_coords: [nver, 2]. range: 0-1
      """
      C = sio.loadmat(path)
      uv_coords = C["UV"].copy(order="C")
      return uv_coords
  
file_path: insightface/python-package/insightface/thirdparty/face3d/morphable_model/load.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import scipy.io
label_desc: Use image node_id 3 for calling a global function with example usage: load_uv_coords(path) and returns: uv_coords